30890538

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1240

約数の個数: 64

約数和(自身を含む): 79626240

約数和(自身を除く): 48735702

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 126, 142, 189, 213, 378, 426, 497, 639, 994, 1151, 1278, 1491, 1917, 2302, 2982, 3453, 3834, 4473, 6906, 8057, 8946, 10359, 13419, 16114, 20718, 24171, 26838, 31077, 48342, 62154, 72513, 81721, 145026, 163442, 217539, 245163, 435078, 490326, 572047, 735489, 1144094, 1470978, 1716141, 2206467, 3432282, 4412934, 5148423, 10296846, 15445269, 30890538]

約数ペア:

[(1, 30890538), (2, 15445269), (3, 10296846), (6, 5148423), (7, 4412934), (9, 3432282), (14, 2206467), (18, 1716141), (21, 1470978), (27, 1144094), (42, 735489), (54, 572047), (63, 490326), (71, 435078), (126, 245163), (142, 217539), (189, 163442), (213, 145026), (378, 81721), (426, 72513), (497, 62154), (639, 48342), (994, 31077), (1151, 26838), (1278, 24171), (1491, 20718), (1917, 16114), (2302, 13419), (2982, 10359), (3453, 8946), (3834, 8057), (4473, 6906)]